Meet Your Team
Gastroenterology and GI Surgery
Pediatric gastroenterologists at Phoenix Children’s team up with other specialty providers at the hospital to make sure your child receives the care they need. These providers communicate with each other about your child’s treatment plan and involve your family in care decisions every step of the way.
Division Chief
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Ashish S. Patel, MD
Specialty
Gastroenterology
Providers
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Ozlem Pinar Bulut, MD
Specialty
Hepatology,
Gastroenterology
![carroll](/files/styles/profile_photo_medium/public/physician-profiles/Carroll-Josh-MD_1677.jpg?itok=LV3lYeCy)
Joshua L. Carroll, MD
Specialty
Gastroenterology
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Elizabeth M. Collyer, MD
Specialty
Gastroenterology
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Eric B. Dybbro, MD
Specialty
Gastroenterology
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Shahan D. Fernando, MD
Specialty
Gastroenterology
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Elizabeth K. Hilow, MD
Specialty
Gastroenterology
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Rosemary P. Hodges, PsyD
Specialty
Psychology
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Kristy R. Ingebo, MD
Specialty
Gastroenterology
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Soofia M. Khan, MD
Specialty
Gastroenterology,
Hepatology,
Liver Transplant
![](/files/styles/profile_photo_medium/public/physician-profiles/91413_McOmber_Mark_20220803_ID_725.jpg?itok=OboDx6PR)
Mark E. McOmber, MD
Specialty
Gastroenterology
![](/files/styles/profile_photo_medium/public/physician-profiles/92090_Pasternak_Brad_20220802_ID_725.jpg?itok=KPIw8OnX)
Brad A. Pasternak, MD
Specialty
Gastroenterology
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Amanda E. Pope, MD
Specialty
Gastroenterology,
Hepatology
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Shauna R. Schroeder, MD
Specialty
Gastroenterology
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Mitchell D. Shub, MD
Specialty
Gastroenterology
![](/files/styles/profile_photo_medium/public/physician-profiles/EmmanuelSiaw_1703.jpg?itok=8MHXKpzg)
Emmanuel K.O. Siaw, MD
Specialty
Gastroenterology
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Gary H. Silber, MD
Specialty
Gastroenterology
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Paul N.B. Tran, MD
Specialty
Gastroenterology
![](/files/styles/profile_photo_medium/public/physician-profiles/wadera_sheetal-210121-web_1652.jpg?itok=BeoDp5sM)
Sheetal Wadera, MD
Specialty
Gastroenterology,
Hepatology,
Liver Transplant
![](/files/styles/profile_photo_medium/public/physician-profiles/85820_Williams_Dana_20220803_ID_727.jpg?itok=p_b78zip)
Dana I. Williams, MD
Specialty
Gastroenterology
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Joseph C. Woolley, DO
Specialty
Gastroenterology
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Kathryn A. Chojnacki, PNP
Specialty
Primary Care
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Kelsey C. Courtney, PNP
Specialty
Gastroenterology
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Jody (Terry) Dorr, CPNP
Specialty
Gastroenterology
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Mandy L. Eyrich, PA
Specialty
Gastroenterology
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Carrie A. First, PNP
Specialty
Gastroenterology
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Casey R. Haynes, PA-C
Specialty
Gastroenterology
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Ashley B. Mattix, FNP
Specialty
Gastroenterology
![Ramirez](/files/styles/profile_photo_medium/public/physician-profiles/ramirez_ashley-200820-web_1648.jpg?itok=cygBzdpU)
Ashley A. Ramirez, PNP
Specialty
Gastroenterology
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Alia Torfa, PNP
Specialty
Gastroenterology
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Crystal M. Vegh, PNP
Specialty
Gastroenterology
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Jessica B. Zimont, FNP
Specialty
Gastroenterology